The leaves of a cannabis plant absorb the light required for photosynthesis. They are very important for a plant to grow. After your plant has been harvested, it no longer needs them (obviously). If you didn't properly flush the leaves, they can have a high quantity of chlorophyll, so it's best to eliminate the surplus plant material from your buds. It will not only improve the appearance of your cannabis, but it will also help raise the potency and minimize the harshness of the smoke. Cannabis Trim Scissors reduce overall yield, but the increased taste and aesthetics compensate for the lost weight.